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81f26b53 PM |
1 | #ifndef _LIBC_FLOAT_H |
2 | #define _LIBC_FLOAT_H | |
3 | ||
9f0170af GG |
4 | #define __GLIBC_INTERNAL_STARTING_HEADER_IMPLEMENTATION |
5 | #include <bits/libc-header-start.h> | |
6 | ||
81f26b53 PM |
7 | #ifndef _ISOMAC |
8 | # define __STDC_WANT_IEC_60559_TYPES_EXT__ | |
9 | #endif | |
10 | ||
11 | #include_next <float.h> | |
12 | ||
3683b423 JM |
13 | /* Supplement float.h macros for _FloatN and _FloatNx for older |
14 | compilers which do not yet support the type. These are described | |
15 | in TS 18661-3. */ | |
8fd31014 GG |
16 | #include <features.h> |
17 | #include <bits/floatn.h> | |
3683b423 JM |
18 | #if !__GNUC_PREREQ (7, 0) && __GLIBC_USE (IEC_60559_TYPES_EXT) |
19 | ||
20 | # if __HAVE_FLOAT128 | |
21 | # define FLT128_MANT_DIG 113 | |
22 | # define FLT128_DECIMAL_DIG 36 | |
23 | # define FLT128_DIG 33 | |
24 | # define FLT128_MIN_EXP (-16381) | |
25 | # define FLT128_MIN_10_EXP (-4931) | |
26 | # define FLT128_MAX_EXP 16384 | |
27 | # define FLT128_MAX_10_EXP 4932 | |
28 | # define FLT128_MAX \ | |
13c92696 | 29 | __f128 (1.18973149535723176508575932662800702e+4932) |
3683b423 | 30 | # define FLT128_EPSILON \ |
13c92696 | 31 | __f128 (1.92592994438723585305597794258492732e-34) |
3683b423 | 32 | # define FLT128_MIN \ |
13c92696 | 33 | __f128 (3.36210314311209350626267781732175260e-4932) |
3683b423 | 34 | # define FLT128_TRUE_MIN \ |
13c92696 | 35 | __f128 (6.47517511943802511092443895822764655e-4966) |
3683b423 JM |
36 | # endif |
37 | ||
38 | /* Types other than _Float128 are typedefs for other types with old | |
39 | compilers. */ | |
40 | ||
41 | # if __HAVE_FLOAT32 | |
42 | # define FLT32_MANT_DIG FLT_MANT_DIG | |
43 | # define FLT32_DECIMAL_DIG FLT_DECIMAL_DIG | |
44 | # define FLT32_DIG FLT_DIG | |
45 | # define FLT32_MIN_EXP FLT_MIN_EXP | |
46 | # define FLT32_MIN_10_EXP FLT_MIN_10_EXP | |
47 | # define FLT32_MAX_EXP FLT_MAX_EXP | |
48 | # define FLT32_MAX_10_EXP FLT_MAX_10_EXP | |
49 | # define FLT32_MAX FLT_MAX | |
50 | # define FLT32_EPSILON FLT_EPSILON | |
51 | # define FLT32_MIN FLT_MIN | |
52 | # define FLT32_TRUE_MIN FLT_TRUE_MIN | |
53 | # endif | |
54 | ||
55 | # if __HAVE_FLOAT64 | |
56 | # define FLT64_MANT_DIG DBL_MANT_DIG | |
57 | # define FLT64_DECIMAL_DIG DBL_DECIMAL_DIG | |
58 | # define FLT64_DIG DBL_DIG | |
59 | # define FLT64_MIN_EXP DBL_MIN_EXP | |
60 | # define FLT64_MIN_10_EXP DBL_MIN_10_EXP | |
61 | # define FLT64_MAX_EXP DBL_MAX_EXP | |
62 | # define FLT64_MAX_10_EXP DBL_MAX_10_EXP | |
63 | # define FLT64_MAX DBL_MAX | |
64 | # define FLT64_EPSILON DBL_EPSILON | |
65 | # define FLT64_MIN DBL_MIN | |
66 | # define FLT64_TRUE_MIN DBL_TRUE_MIN | |
67 | # endif | |
68 | ||
69 | # if __HAVE_FLOAT32X | |
70 | # define FLT32X_MANT_DIG DBL_MANT_DIG | |
71 | # define FLT32X_DECIMAL_DIG DBL_DECIMAL_DIG | |
72 | # define FLT32X_DIG DBL_DIG | |
73 | # define FLT32X_MIN_EXP DBL_MIN_EXP | |
74 | # define FLT32X_MIN_10_EXP DBL_MIN_10_EXP | |
75 | # define FLT32X_MAX_EXP DBL_MAX_EXP | |
76 | # define FLT32X_MAX_10_EXP DBL_MAX_10_EXP | |
77 | # define FLT32X_MAX DBL_MAX | |
78 | # define FLT32X_EPSILON DBL_EPSILON | |
79 | # define FLT32X_MIN DBL_MIN | |
80 | # define FLT32X_TRUE_MIN DBL_TRUE_MIN | |
81 | # endif | |
82 | ||
83 | # if __HAVE_FLOAT64X | |
84 | # if __HAVE_FLOAT64X_LONG_DOUBLE | |
85 | # define FLT64X_MANT_DIG LDBL_MANT_DIG | |
86 | # define FLT64X_DECIMAL_DIG LDBL_DECIMAL_DIG | |
87 | # define FLT64X_DIG LDBL_DIG | |
88 | # define FLT64X_MIN_EXP LDBL_MIN_EXP | |
89 | # define FLT64X_MIN_10_EXP LDBL_MIN_10_EXP | |
90 | # define FLT64X_MAX_EXP LDBL_MAX_EXP | |
91 | # define FLT64X_MAX_10_EXP LDBL_MAX_10_EXP | |
92 | # define FLT64X_MAX LDBL_MAX | |
93 | # define FLT64X_EPSILON LDBL_EPSILON | |
94 | # define FLT64X_MIN LDBL_MIN | |
95 | # define FLT64X_TRUE_MIN LDBL_TRUE_MIN | |
96 | # else | |
97 | # define FLT64X_MANT_DIG FLT128_MANT_DIG | |
98 | # define FLT64X_DECIMAL_DIG FLT128_DECIMAL_DIG | |
99 | # define FLT64X_DIG FLT128_DIG | |
100 | # define FLT64X_MIN_EXP FLT128_MIN_EXP | |
101 | # define FLT64X_MIN_10_EXP FLT128_MIN_10_EXP | |
102 | # define FLT64X_MAX_EXP FLT128_MAX_EXP | |
103 | # define FLT64X_MAX_10_EXP FLT128_MAX_10_EXP | |
104 | # define FLT64X_MAX FLT128_MAX | |
105 | # define FLT64X_EPSILON FLT128_EPSILON | |
106 | # define FLT64X_MIN FLT128_MIN | |
107 | # define FLT64X_TRUE_MIN FLT128_TRUE_MIN | |
108 | # endif | |
109 | # endif | |
110 | ||
81f26b53 PM |
111 | #endif |
112 | ||
113 | #endif /* _LIBC_FLOAT_H */ |